意義から考えるObservability入門 #srenext
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すてにゃん
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ҙ͔ٛΒߟ͑Δ Observability ೖ ͯ͢ʹΌΜ (id:stefafafan / @stefafafan) 2024/05/24 Road to SRE NEXT@Ԭ
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ࣗݾհ • ͯ͢ʹΌΜ (id:stefafafan / @stefafafan) • גࣜձࣾΧέϋγͷιϑτΣΞΤϯδχΞ • ࠷ۙTypeScriptΛॻ͘ʑ • Ԭ͔ΒϦϞʔτͰۈத
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ʮObservability ͬͯ͋ΕͰ͠ΐʁʯ ࢹΈ͍ͨͳͭ OpenTelemetry? ͬͨ΄͏͕͍͍Β͍͠ τϨʔεͱ͔͢Δͭ?
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Observability ͷҙٛΛཧղ͠Α͏ • ͳΜ͔ྲྀߦͬͯΔͬΆ͍͔Β͓͔ͬͯ͘ɺͰΠϚΠν • ʮϩάɺϝτϦΫεɺτϨʔεͷ͜ͱͳΒେମΘ͔ͬͯΔΑʯ • ຊʹΘ͔ͬͯΔʁ • ͦͦͳΜͰ Observability ͱ͍͏֓೦͕ొͨ͠ͷͰ͠ΐ͏ʁ
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ैདྷͷWebΞϓϦέʔγϣϯ
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ैདྷͷWebΞϓϦέʔγϣϯͷߏ • ϞϊϦγοΫ • ͷαʔόͰӡ༻ • ਐతͰͳ͍σϓϩΠํ๏ • োൃੜ࣌ͷύλʔϯ͕ܾ·Γ͖͍ͬͯͨ
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ैདྷͷWebΞϓϦέʔγϣϯͷࢹ • োൃੜ࣌ͷύλʔϯ͕ܾ·Γ͖͍ͬͯͨ • ΠϯϑϥपΓͷͳΒɺΠϯελϯε࠶ىಈ͢Δͱ͔ɺεϖοΫ ૿ڧͱ͔ɺΠϯϑϥ୲͕ܾ·ͬͨ࡞ۀΛΔ • ΞϓϦέʔγϣϯͷͳΒɺRevert͢ΔͳͲ • աڈʹૺ۰ͨ͠োΛͱʹɺࢹϧʔϧΛఆٛͯ͠ɺ࠶ͼى͖ͨͱ ͖ʹରॲͰ͖ΔΑ͏ʹ
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ैདྷͷWebΞϓϦέʔγϣϯͷݒ೦ • ΠϯϑϥपΓͷଐਓԽ • OSΞοϓάϨʔυରԠ • োରԠΛʮΠϯϑϥνʔϜʯʮݹࢀϝϯόʔʯʹ͖ͤͬΓ • ӡ༻ෛՙ • ʮΠϯϑϥͷ໘ΛݟΔʯΛͣͬͱଓ͚Δඞཁ͕͋Δ • ཁٻΛຬͨͤͳ͘ͳΔ • ٸͳεύΠΫʹରԠͮ͠Β͍
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ʮΫϥυωΠςΟϒʯͷγϑτ
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ΞδϟΠϧϓϥΫςΟεͷಋೖ • ଐਓԽͷղফͷͨΊʹɺΞδϟΠϧʹͳΔඞཁ͕͋Δ • Scrum, DevOps, XP ͷϓϥΫςΟεΛಋೖ • ӡ༻ͱ։ൃͷۀͰͳ͘ɺ • 1ਓͷୡਓ͕શͯͷ࡞ۀΛΔͷͰͳ͘ɺ୭ͰͰ͖ΔΑ͏ʹ • IaCɺCI/CDͷಋೖ
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ϚωʔδυαʔϏείϯςφͷར༻ • ӡ༻ෛՙͷݮͷͨΊʹɺϚωʔδυαʔϏεSaaSͳͲΛ׆༻ • ඞཁͳ࣌ʹඞཁͳ͚ͩͷΠϯϑϥΛ༻ҙͰ͖ΔΑ͏ʹίϯςφԽ • → ݁ՌతʹίετͷݮՄ༻ੑͷ্ʹͭͳ͕Δ
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ΫϥυωΠςΟϒʹͳͬͨ݁Ռ • ྑ͍ํʹ͔͏ͨΊʹΫϥυωΠςΟϒʹͳ͕ͬͨɺΞϓϦέʔ γϣϯͱͯ͠ෳࡶੑ্ͨ͠ • ߏཁૉ͕૿͑ͨ • ৗ࣌ىಈ͍ͯ͠ΔΠϯελϯεͰͳ͘ɺ໋ͳίϯςφͷλεΫ ͕͍ͭ͋͘Δ • σϓϩΠख๏ਐతʹ • ैདྷͷࢹํ๏Ͱෆ͢Δঢ়گʹͳͬͨ
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Observability ͷඞཁੑ
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ैདྷͷࢹͩͱରԠ͕͘͠ͳ͖ͬͯͨ • աڈʹى͖ͨোͱશ͘ಉ͡ͷʹରԠ͢Δ͜ͱͰ͖Δ • ݱͷෳࡶͳߏͰʮશͯͷى͜Γ͏ΔʯΛ͋Β͔͡ΊೝͰ ͖Δ͔ʁ • োରԠ·ͩଐਓԽ͞Εͯ͠·͍ͬͯΔ • ݹࢀϝϯόʔ͕ಛఆͷϝτϦΫεΛݟͯݪҼʹͨΓΛ͚ͭΒΕΔ ಛघೳྗ࣋ͪ
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Observability ͷྑ͍ͱ͜Ζ • ࢥͱͯ͠ɺʮະͷʹରॲͰ͖Δঢ়ଶʹ͢Δʯ • Observability = Մ؍ଌੑɺͭ·ΓγεςϜͷঢ়ଶ͕؍ଌͰ͖Δ͜ • ैདྷΛʮਪଌʯ͍͕ͯͨ͠ɺObservability͕֬อͰ͖͍ͯͨΒ Ͳ͏ͳΔͷ͔ • ϢʔβࢹͷΛυϦϧμϯͯ͠ݪҼΛಥ͖ࢭΊΒΕΔΑ͏ʹ ͳΔ
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Observability͕֬อͰ͖͍ͯΔͱ͜͏ͳΔ • ॳΊͯର໘͢Δҟৗͷରॲ͕༰қʹͳΔ • ݹࢀͷΤϯδχΞͰͳ͘ͱγεςϜΛཧղͰ͖ͯɺোରԠʹೖ Γ͘͢ͳΔ • োʹਝʹରԠͰ͖ΔΑ͏ʹͳΓɺΑΓΞδϟΠϧʹͳΔ • ҎલΑΓσϓϩΠස্͕͕͍ͬͯΔͷͰɺোૉૣ͘ ରॲͰ͖ΔΑ͏ʹͳ͍ͬͯΔͱྑ͍
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·ͱΊ • ैདྷͷWebΞϓϦέʔγϣϯͷӡ༻ʹ՝ײ͕͋ͬͨ • ՝ײͷղফͷͨΊʹɺDevOpsͷϓϥΫςΟεγεςϜͷϚωʔ δυԽɾίϯςφԽ͕ਪਐ͞Ε͖ͯͨ • ϞμϯͳߏͷΞϓϦέʔγϣϯΛదʹӡ༻ͯ͠ʹରॲͰ͖Δ ͨΊʹObservability͕ॏཁͱͳ͖ͬͯͨ
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ࠓͷLTΈ͍ͨͳ͕ຊʹॻ͍ͯ͋Δ • ΦϒβʔόϏϦςΟɾΤϯδχΞ ϦϯάΛಡΜͰͳ͔ͬͨΒಡ ͏ʂ • https://www.oreilly.co.jp/books/ 9784814400126/